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The company attaches importance to product quality and unremittingly carries out R & D, enjoying the reputation of "excellent quality" in the world. Because of this, we insist on providing customers with meticulous service with first-class quality products and good delivery capacity.

Product

Lift Check Valves (LK Series)

HANGONG LK series lift check valves are designed for various extreme temperatures of power, chemical, petrochemical, petroleum, natural gas, and laboratory applications.
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HANGONG LK series lift check valves are designed for various extreme temperatures of power, chemical, petrochemical, petroleum, natural gas, and laboratory applications.
The role of LK series design: in the ideal fluid state, the front end of the valve body within 0.01%, to prevent the flow of the reverse direction of the fluid. The gravity auxiliary spool adopts back pressure type design to ensure tightness.
Product features
Ø  It has a wide temperature range
Ø  Compact design
Ø  The convenient end connection (clamping sleeve, thread) can also provide welding requirements
Ø  Stainless steel structure
Ø  Durable

Specification size

ParameterSpecifications
NameLift check valve
Connection formEnd connection, internal thread end connection, external thread end connection and thread end connection
Rated pressure6000psig（413bar）
working temperature-148℃~482℃
caliber1/8 in.~1 in. (British)      3mm~25mm (Metric)
discharge coefficient1/8 in.~1/4 in. ：CV:0.47~0.63；
3/8 in.~1/2 in. ：CV:1.20~0.63；
3/4in~1 in ：CV:2.29~1.3；
body materialSS316, brass, tantalum alloy, titanium alloy, niobium alloy



HANGONG Check valve.pdf